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CHECK-IT 0628   Digital Superheat Humidity Set

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The CHECK-IT Model 0628 Superheat -Humidity Set allows you to accurately and quickly charge air conditioning systems where the superheat readings as well as ambient temperature and relative humidity are required. Armed with such accurate readings you can instantly determine whether a system is properly charged. With a temperature range of -100F to 1000F and 0 to 100% Relative Humidity, the pocket size CHECK-IT 0628 comes with a high impact 11" x 5-1/4" x 2-1/4" carrying case which allows for storage of the three included 15 ft. probes as well as other optional accessories. The CHECK-IT 0628 Digital Superheat -Humidity Set is easy to read since it incorporates a large .5" liquid crystal display which is updated 1.5 times per second. The instrument has a belt clip and magnets on the back for easy handling.



  • Built for Reliability
  • Designed especially for Air conditioning / Refrigeration Service
  • Superheat Capability with full instructions for 3 methods of measuring superheat
  • Readings instantaneous - NO DELAY
  • Built in Humidity and Ambient temperature sensors
  • 3 inputs for interchangeable 15-foot color-coded sensors; provides 3 individual sensor temperatures plus A-B, B-C and C-A differentials
  • Wet bulb / dew point calculator included
  • Interchangeable Probes
  • Conveniently packaged for all field use
  • Belt clip provided for easy carrying
  • Strong magnets hold on any steel surface
  • Aerospace quality anodized aluminum instrument with a high impact carrying case
  • Moisture proof circuitry
  • Large 0.5 inch LCD display: read-out visible even in direct sunlight
  • Open probe indication
  • Low battery indication
  • One full year warranty
  • Made in the United States of America


Temperature: -100 to 1000F
Humidity: 0 to 100%
-100 to 1000F 1
0 to 100% R.H. 2%
1F, 0.1%
1F / 1% R.H.
Operating Temperature:
-10 to 55C ambient
One 9V battery,
Approximately 1000 hours life
Type J thermocouple
Built in humidity and ambient sensors
(3) 15 Ft color coded, long wire sensors, usable from -100 to 221F
Phono type
One full year
7-1/4" x 3-5/8" x 1-1/8"
Weight: (including battery)
Approximately 28 ounces
0.5"-high liquid crystal (LCD)
Drop-proof black molded case

CHECK-IT 0628 SET$298.41

3 Pickup Temperature and Humidity Indicator
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15' TC Extension Cord
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Click to enlargeVelcro Attaching Strap
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Certification to NIST
CHECK-IT 1918$30.00

Check-It Electronics
235 Main Street,Suite 281, Madison, N.J. 07940

Call: 908-354-8236 Fax: 908-354-9564